| <!doctype html><!-- webkit-test-runner [ WebRTCRemoteVideoFrameEnabled=true ] --> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Testing basic video exchange from offerer to receiver</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <canvas id="canvas" width="640" height="480"></canvas> |
| <script> |
| function buildMaliciousOffer(nLayers) { |
| const rids = []; |
| for (let i = 0; i < nLayers; i++) rids.push('r' + i); |
| const ridLines = rids.map(r => `a=rid:${r} recv`).join('\r\n'); |
| const simLayers = rids.map((r, i) => (i === nLayers - 1 ? r : '~' + r)).join(';'); |
| return [ |
| 'v=0', |
| 'o=- 1 2 IN IP4 127.0.0.1', |
| 's=-', |
| 't=0 0', |
| 'a=group:BUNDLE 0', |
| 'a=extmap-allow-mixed', |
| 'a=msid-semantic: WMS', |
| 'm=video 9 UDP/TLS/RTP/SAVPF 96', |
| 'c=IN IP4 0.0.0.0', |
| 'a=rtcp:9 IN IP4 0.0.0.0', |
| 'a=ice-ufrag:aaaa', |
| 'a=ice-pwd:bbbbbbbbbbbbbbbbbbbbbb', |
| 'a=ice-options:trickle', |
| 'a=fingerprint:sha-256 00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF:00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF', |
| 'a=setup:actpass', |
| 'a=mid:0', |
| 'a=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid', |
| 'a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id', |
| 'a=extmap:3 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id', |
| 'a=sendrecv', |
| 'a=rtcp-mux', |
| 'a=rtcp-rsize', |
| 'a=rtpmap:96 VP8/90000', |
| 'a=rtcp-fb:96 nack', |
| 'a=rtcp-fb:96 nack pli', |
| 'a=rtcp-fb:96 ccm fir', |
| ridLines, |
| `a=simulcast:recv ${simLayers}`, |
| '' |
| ].join('\r\n'); |
| } |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| const malOffer = buildMaliciousOffer(4); |
| await pc.setRemoteDescription({ type: 'offer', sdp: malOffer }); |
| |
| const context = canvas.getContext('2d'); |
| context.fillStyle = `green`; |
| setInterval(() => { |
| context.fillRect(0, 0, canvas.width, canvas.height); |
| }, 30); |
| const localStream = canvas.captureStream(30); |
| pc.addTrack(localStream.getVideoTracks()[0], localStream); |
| |
| const answer = await pc.createAnswer(); |
| await pc.setLocalDescription(answer); |
| }, "Trim simulcast encodings when using receive encodings for send encodings"); |
| </script> |
| </body> |
